package com.gancp.common.intercept;


import com.gancp.common.Constans;
import com.gancp.domain.User;
import com.sun.tools.internal.ws.wsdl.parser.DOMForest;
import org.omg.PortableInterceptor.USER_EXCEPTION;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 * Created by GCP on 2018/2/5.
 * session拦截处理器
 */
public class SessionInterceptor implements HandlerInterceptor {
    /**
     * @Author gancp
     * @Date 时间被黑洞吸走了
     * @Descripition 请求拦截预处理
     **/
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object o) throws Exception {
        String uri = request.getRequestURI();
        // 打卡记录也需要放行
        if (uri.indexOf( "login" ) >= 0 || uri.indexOf( "/attend/sign" ) >= 0 || uri.indexOf( "/reAttend" ) >= 0) {
            return true;
        }
        HttpSession session = request.getSession();
        User user = (User) session.getAttribute( Constans.USER_INFO );
        if (user != null) {
            return true;
        }
        // 没有session则转发至登录页面
        request.getRequestDispatcher( "/login" ).forward( request, response );

        return false;
    }

    @Override
    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {

    }
}
